/*
 * Pore(RT)
 * Copyright (c) 2014-2016, Lapis <https://github.com/LapisBlue>
 * Copyright (c) 2014-2016, Contributors
 *
 * The MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package blue.lapis.pore.util;

import com.google.common.base.Preconditions;

public abstract class PoreWrapper<T> {

    private final T handle;

    protected PoreWrapper(T handle) {
        this.handle = Preconditions.checkNotNull(handle, "handle");
    }

    public T getHandle() {
        return handle;
    }

    @Override // for storage of objects
    public int hashCode() {
        return getHandle().hashCode();
    }

    @Override
    public boolean equals(Object object) {
        if (object instanceof PoreWrapper) {
            return ((PoreWrapper<?>) object)
                    .getHandle()
                    .equals(this.getHandle());
        }
        return super.equals(object);
    }
}
